102978276432 has 40 divisors (see below), whose sum is σ = 266051263296. Its totient is φ = 34322989056.

The previous prime is 102978276431. The next prime is 102978276437. The reversal of 102978276432 is 234672879201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102978276431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474213 + ... + 656379.

Almost surely, 2^102978276432 is an apocalyptic number.

102978276432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102978276432 is an abundant number, since it is smaller than the sum of its proper divisors (163072986864).

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

102978276432 is a wasteful number, since it uses less digits than its factorization.

102978276432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193955 (or 193949 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 102978276432 in words is "one hundred two billion, nine hundred seventy-eight million, two hundred seventy-six thousand, four hundred thirty-two".