102497076851 has 12 divisors (see below), whose sum is σ = 110998098072. Its totient is φ = 94604043456.

The previous prime is 102497076797. The next prime is 102497076863. The reversal of 102497076851 is 158670794201.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-102497076851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102497076851.

It is not an unprimeable number, because it can be changed into a prime (102497076551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2517680 + ... + 2558066.

It is an arithmetic number, because the mean of its divisors is an integer number (9249841506).

Almost surely, 2^102497076851 is an apocalyptic number.

102497076851 is a deficient number, since it is larger than the sum of its proper divisors (8501021221).

102497076851 is a wasteful number, since it uses less digits than its factorization.

102497076851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55430 (or 55417 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 50.

The spelling of 102497076851 in words is "one hundred two billion, four hundred ninety-seven million, seventy-six thousand, eight hundred fifty-one".