97267678290 has 384 divisors, whose sum is σ = 276064588800. Its totient is φ = 23716675584.

The previous prime is 97267678267. The next prime is 97267678307. The reversal of 97267678290 is 9287676279.

It is a super-2 number, since 2×97267678290² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 652803136 + ... + 652803284.

It is an arithmetic number, because the mean of its divisors is an integer number (718918200).

Almost surely, 2^97267678290 is an apocalyptic number.

97267678290 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 97267678290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138032294400).

97267678290 is an abundant number, since it is smaller than the sum of its proper divisors (178796910510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97267678290 is a wasteful number, since it uses less digits than its factorization.

97267678290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 32006016, while the sum is 63.

The spelling of 97267678290 in words is "ninety-seven billion, two hundred sixty-seven million, six hundred seventy-eight thousand, two hundred ninety".