100776959997 has 32 divisors (see below), whose sum is σ = 156862464000. Its totient is φ = 57526714224.

The previous prime is 100776959957. The next prime is 100776959999. The reversal of 100776959997 is 799959677001.

It is not a de Polignac number, because 100776959997 - 2⁸ = 100776959741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100776959999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 944404 + ... + 1045682.

It is an arithmetic number, because the mean of its divisors is an integer number (4901952000).

Almost surely, 2^100776959997 is an apocalyptic number.

It is an amenable number.

100776959997 is a deficient number, since it is larger than the sum of its proper divisors (56085504003).

100776959997 is an equidigital number, since it uses as much as digits as its factorization.

100776959997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102270 (or 102256 counting only the distinct ones).

The product of its (nonzero) digits is 67512690, while the sum is 69.

The spelling of 100776959997 in words is "one hundred billion, seven hundred seventy-six million, nine hundred fifty-nine thousand, nine hundred ninety-seven".