87404763 has 16 divisors (see below), whose sum is σ = 118838016. Its totient is φ = 57130080.

The previous prime is 87404749. The next prime is 87404771. The reversal of 87404763 is 36740478.

It is a happy number.

It is not a de Polignac number, because 87404763 - 2⁸ = 87404507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87404773) 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, 40920 + ... + 43002.

It is an arithmetic number, because the mean of its divisors is an integer number (7427376).

Almost surely, 2^87404763 is an apocalyptic number.

87404763 is a deficient number, since it is larger than the sum of its proper divisors (31433253).

87404763 is a wasteful number, since it uses less digits than its factorization.

87404763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2354.

The product of its (nonzero) digits is 112896, while the sum is 39.

The square root of 87404763 is about 9349.0514492113. The cubic root of 87404763 is about 443.7908732304.

The spelling of 87404763 in words is "eighty-seven million, four hundred four thousand, seven hundred sixty-three".