97773560 has 32 divisors (see below), whose sum is σ = 222782400. Its totient is φ = 38613120.

The previous prime is 97773551. The next prime is 97773623. The reversal of 97773560 is 6537779.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12311 + ... + 18630.

It is an arithmetic number, because the mean of its divisors is an integer number (6961950).

Almost surely, 2^97773560 is an apocalyptic number.

It is an amenable number.

97773560 is an abundant number, since it is smaller than the sum of its proper divisors (125008840).

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

97773560 is a wasteful number, since it uses less digits than its factorization.

97773560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31031 (or 31027 counting only the distinct ones).

The product of its (nonzero) digits is 277830, while the sum is 44.

The square root of 97773560 is about 9888.0513752711. The cubic root of 97773560 is about 460.6882576715.

It can be divided in two parts, 97773 and 560, that multiplied together give a triangular number (54752880 = T₁₀₄₆₄).

The spelling of 97773560 in words is "ninety-seven million, seven hundred seventy-three thousand, five hundred sixty".