87736792545 has 32 divisors (see below), whose sum is σ = 156016275840. Its totient is φ = 46781029440.

The previous prime is 87736792523. The next prime is 87736792547. The reversal of 87736792545 is 54529763778.

87736792545 is a `hidden beast` number, since 87 + 7 + 3 + 6 + 7 + 9 + 2 + 545 = 666.

It is not a de Polignac number, because 87736792545 - 2¹⁷ = 87736661473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87736792547) 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, 462022 + ... + 623648.

It is an arithmetic number, because the mean of its divisors is an integer number (4875508620).

Almost surely, 2^87736792545 is an apocalyptic number.

It is an amenable number.

87736792545 is a deficient number, since it is larger than the sum of its proper divisors (68279483295).

87736792545 is a wasteful number, since it uses less digits than its factorization.

87736792545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165662 (or 165656 counting only the distinct ones).

The product of its digits is 88905600, while the sum is 63.

The spelling of 87736792545 in words is "eighty-seven billion, seven hundred thirty-six million, seven hundred ninety-two thousand, five hundred forty-five".