787285864995 has 128 divisors (see below), whose sum is σ = 1561481183232. Its totient is φ = 330511104000.

The previous prime is 787285864969. The next prime is 787285864997. The reversal of 787285864995 is 599468582787.

It is not a de Polignac number, because 787285864995 - 2¹⁹ = 787285340707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 787285864995.

It is not an unprimeable number, because it can be changed into a prime (787285864997) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 27755070 + ... + 27783420.

It is an arithmetic number, because the mean of its divisors is an integer number (12199071744).

Almost surely, 2^787285864995 is an apocalyptic number.

787285864995 is a deficient number, since it is larger than the sum of its proper divisors (774195318237).

787285864995 is a wasteful number, since it uses less digits than its factorization.

787285864995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28761.

The product of its digits is 2438553600, while the sum is 78.

The spelling of 787285864995 in words is "seven hundred eighty-seven billion, two hundred eighty-five million, eight hundred sixty-four thousand, nine hundred ninety-five".