772500087 has 6 divisors (see below), whose sum is σ = 1115833472. Its totient is φ = 515000052.

The previous prime is 772500061. The next prime is 772500101. The reversal of 772500087 is 780005277.

772500087 is a `hidden beast` number, since 7 + 72 + 500 + 0 + 87 = 666.

It is not a de Polignac number, because 772500087 - 2²³ = 764111479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (772500887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42916663 + ... + 42916680.

Almost surely, 2^772500087 is an apocalyptic number.

772500087 is a deficient number, since it is larger than the sum of its proper divisors (343333385).

772500087 is a wasteful number, since it uses less digits than its factorization.

772500087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85833349 (or 85833346 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 36.

The square root of 772500087 is about 27793.8857844671. The cubic root of 772500087 is about 917.5565624290.

The spelling of 772500087 in words is "seven hundred seventy-two million, five hundred thousand, eighty-seven".