87678211706427 has 32 divisors (see below), whose sum is σ = 125340799905792. Its totient is φ = 54374990338944.

The previous prime is 87678211706413. The next prime is 87678211706461. The reversal of 87678211706427 is 72460711287678.

It is not a de Polignac number, because 87678211706427 - 2⁸ = 87678211706171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87678211716427) 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, 2146048 + ... + 13414989.

It is an arithmetic number, because the mean of its divisors is an integer number (3916899997056).

Almost surely, 2^{87678211706427} is an apocalyptic number.

87678211706427 is a deficient number, since it is larger than the sum of its proper divisors (37662588199365).

87678211706427 is a wasteful number, since it uses less digits than its factorization.

87678211706427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15563307.

The product of its (nonzero) digits is 88510464, while the sum is 66.

The spelling of 87678211706427 in words is "eighty-seven trillion, six hundred seventy-eight billion, two hundred eleven million, seven hundred six thousand, four hundred twenty-seven".