87077690547 has 32 divisors (see below), whose sum is σ = 123701126400. Its totient is φ = 54296583168.

The previous prime is 87077690521. The next prime is 87077690573. The reversal of 87077690547 is 74509677078.

It is an interprime number because it is at equal distance from previous prime (87077690521) and next prime (87077690573).

It is not a de Polignac number, because 87077690547 - 2⁷ = 87077690419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87077692547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6580704 + ... + 6593922.

It is an arithmetic number, because the mean of its divisors is an integer number (3865660200).

Almost surely, 2^87077690547 is an apocalyptic number.

87077690547 is a deficient number, since it is larger than the sum of its proper divisors (36623435853).

87077690547 is a wasteful number, since it uses less digits than its factorization.

87077690547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14035.

The product of its (nonzero) digits is 20744640, while the sum is 60.

The spelling of 87077690547 in words is "eighty-seven billion, seventy-seven million, six hundred ninety thousand, five hundred forty-seven".