2997761481 has 48 divisors (see below), whose sum is σ = 5275583040. Its totient is φ = 1677049920.

The previous prime is 2997761477. The next prime is 2997761483. The reversal of 2997761481 is 1841677992.

2997761481 is a `hidden beast` number, since 2 + 9 + 97 + 76 + 1 + 481 = 666.

It is not a de Polignac number, because 2997761481 - 2² = 2997761477 is a prime.

It is a super-2 number, since 2×2997761481² = 17973147793934626722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2997761483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8386 + ... + 77883.

It is an arithmetic number, because the mean of its divisors is an integer number (109907980).

Almost surely, 2^2997761481 is an apocalyptic number.

It is an amenable number.

2997761481 is a deficient number, since it is larger than the sum of its proper divisors (2277821559).

2997761481 is a wasteful number, since it uses less digits than its factorization.

2997761481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86308 (or 86296 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 54.

The square root of 2997761481 is about 54751.8171479267. The cubic root of 2997761481 is about 1441.8907584845.

The spelling of 2997761481 in words is "two billion, nine hundred ninety-seven million, seven hundred sixty-one thousand, four hundred eighty-one".