87307460831 has 4 divisors (see below), whose sum is σ = 87935572200. Its totient is φ = 86679349464.

The previous prime is 87307460819. The next prime is 87307460833. The reversal of 87307460831 is 13806470378.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13806470378 = 2 ⋅6903235189.

It is a cyclic number.

It is not a de Polignac number, because 87307460831 - 2²⁶ = 87240351967 is a prime.

It is a super-2 number, since 2×87307460831² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87307460833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314055476 + ... + 314055753.

It is an arithmetic number, because the mean of its divisors is an integer number (21983893050).

Almost surely, 2^87307460831 is an apocalyptic number.

87307460831 is a deficient number, since it is larger than the sum of its proper divisors (628111369).

87307460831 is a wasteful number, since it uses less digits than its factorization.

87307460831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628111368.

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 87307460831 in words is "eighty-seven billion, three hundred seven million, four hundred sixty thousand, eight hundred thirty-one".