87737913265 has 16 divisors (see below), whose sum is σ = 108952393680. Its totient is φ = 67747348480.

The previous prime is 87737913239. The next prime is 87737913269. The reversal of 87737913265 is 56231973778.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6925069089 + 80812844176 = 83217^2 + 284276^2 .

It is not a de Polignac number, because 87737913265 - 2¹⁵ = 87737880497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87737913269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341457 + ... + 540433.

It is an arithmetic number, because the mean of its divisors is an integer number (6809524605).

Almost surely, 2^87737913265 is an apocalyptic number.

It is an amenable number.

87737913265 is a deficient number, since it is larger than the sum of its proper divisors (21214480415).

87737913265 is a wasteful number, since it uses less digits than its factorization.

87737913265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202052.

The product of its digits is 13335840, while the sum is 58.

The spelling of 87737913265 in words is "eighty-seven billion, seven hundred thirty-seven million, nine hundred thirteen thousand, two hundred sixty-five".