97788412 has 12 divisors (see below), whose sum is σ = 173296480. Its totient is φ = 48275136.

The previous prime is 97788389. The next prime is 97788419. The reversal of 97788412 is 21488779.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97788419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154413 + ... + 155044.

Almost surely, 2^97788412 is an apocalyptic number.

It is an amenable number.

97788412 is a deficient number, since it is larger than the sum of its proper divisors (75508068).

97788412 is a wasteful number, since it uses less digits than its factorization.

97788412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309540 (or 309538 counting only the distinct ones).

The product of its digits is 225792, while the sum is 46.

The square root of 97788412 is about 9888.8023541782. The cubic root of 97788412 is about 460.7115829808.

The spelling of 97788412 in words is "ninety-seven million, seven hundred eighty-eight thousand, four hundred twelve".