97778752 has 14 divisors (see below), whose sum is σ = 194029838. Its totient is φ = 48889344.

The previous prime is 97778741. The next prime is 97778797. The reversal of 97778752 is 25787779.

It can be written as a sum of positive squares in only one way, i.e., 90935296 + 6843456 = 9536^2 + 2616^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 97778752.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 763833 + ... + 763960.

Almost surely, 2^97778752 is an apocalyptic number.

It is an amenable number.

97778752 is a deficient number, since it is larger than the sum of its proper divisors (96251086).

97778752 is a wasteful number, since it uses less digits than its factorization.

97778752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527805 (or 1527795 counting only the distinct ones).

The product of its digits is 1728720, while the sum is 52.

The square root of 97778752 is about 9888.3139108748. The cubic root of 97778752 is about 460.6964120611.

The spelling of 97778752 in words is "ninety-seven million, seven hundred seventy-eight thousand, seven hundred fifty-two".