2978528758 has 16 divisors (see below), whose sum is σ = 4734769680. Its totient is φ = 1400426496.

The previous prime is 2978528753. The next prime is 2978528759. The reversal of 2978528758 is 8578258792.

It is a junction number, because it is equal to n+sod(n) for n = 2978528696 and 2978528705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2978528753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1213 + ... + 77191.

It is an arithmetic number, because the mean of its divisors is an integer number (295923105).

Almost surely, 2^2978528758 is an apocalyptic number.

2978528758 is a deficient number, since it is larger than the sum of its proper divisors (1756240922).

2978528758 is a wasteful number, since it uses less digits than its factorization.

2978528758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77151.

The product of its digits is 22579200, while the sum is 61.

The square root of 2978528758 is about 54575.8990581007. The cubic root of 2978528758 is about 1438.8005633947.

The spelling of 2978528758 in words is "two billion, nine hundred seventy-eight million, five hundred twenty-eight thousand, seven hundred fifty-eight".