102772488 has 64 divisors (see below), whose sum is σ = 316229760. Its totient is φ = 27104256.

The previous prime is 102772469. The next prime is 102772489. The reversal of 102772488 is 884277201.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (102772489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21345 + ... + 25712.

It is an arithmetic number, because the mean of its divisors is an integer number (4941090).

Almost surely, 2^102772488 is an apocalyptic number.

It is an amenable number.

102772488 is an abundant number, since it is smaller than the sum of its proper divisors (213457272).

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

102772488 is a wasteful number, since it uses less digits than its factorization.

102772488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47086 (or 47082 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 39.

The square root of 102772488 is about 10137.6766569071. The cubic root of 102772488 is about 468.4094232937.

The spelling of 102772488 in words is "one hundred two million, seven hundred seventy-two thousand, four hundred eighty-eight".