87861538614 has 16 divisors (see below), whose sum is σ = 184971660480. Its totient is φ = 27745749000.

The previous prime is 87861538607. The next prime is 87861538621. The reversal of 87861538614 is 41683516878.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (87861538607) and next prime (87861538621).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385357512 + ... + 385357739.

It is an arithmetic number, because the mean of its divisors is an integer number (11560728780).

Almost surely, 2^87861538614 is an apocalyptic number.

87861538614 is an abundant number, since it is smaller than the sum of its proper divisors (97110121866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87861538614 is a wasteful number, since it uses less digits than its factorization.

87861538614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770715275.

The product of its digits is 7741440, while the sum is 57.

The spelling of 87861538614 in words is "eighty-seven billion, eight hundred sixty-one million, five hundred thirty-eight thousand, six hundred fourteen".