787464367078331 has 16 divisors (see below), whose sum is σ = 801515838876480. Its totient is φ = 773535773091840.

The previous prime is 787464367078303. The next prime is 787464367078357. The reversal of 787464367078331 is 133870763464787.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-787464367078331 is a prime.

It is a super-2 number, since 2×787464367078331² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (787464367078031) 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, 79845461 + ... + 89164041.

It is an arithmetic number, because the mean of its divisors is an integer number (50094739929780).

Almost surely, 2^{787464367078331} is an apocalyptic number.

787464367078331 is a deficient number, since it is larger than the sum of its proper divisors (14051471798149).

787464367078331 is a wasteful number, since it uses less digits than its factorization.

787464367078331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9325174.

The product of its (nonzero) digits is 2389782528, while the sum is 74.

The spelling of 787464367078331 in words is "seven hundred eighty-seven trillion, four hundred sixty-four billion, three hundred sixty-seven million, seventy-eight thousand, three hundred thirty-one".