97402664836 has 81 divisors (see below), whose sum is σ = 185148444663. Its totient is φ = 44829182160.

The previous prime is 97402664831. The next prime is 97402664861. The reversal of 97402664836 is 63846620479.

The square root of 97402664836 is 312094.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97402664831) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 509961501 + ... + 509961691.

Almost surely, 2^97402664836 is an apocalyptic number.

97402664836 is the 312094-th square number.

It is an amenable number.

97402664836 is a deficient number, since it is larger than the sum of its proper divisors (87745779827).

97402664836 is a wasteful number, since it uses less digits than its factorization.

97402664836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 55.

The spelling of 97402664836 in words is "ninety-seven billion, four hundred two million, six hundred sixty-four thousand, eight hundred thirty-six".