87764463 has 12 divisors (see below), whose sum is σ = 129468768. Its totient is φ = 57264480.

The previous prime is 87764459. The next prime is 87764483. The reversal of 87764463 is 36446778.

It is not a de Polignac number, because 87764463 - 2² = 87764459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87764423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103318 + ... + 104163.

It is an arithmetic number, because the mean of its divisors is an integer number (10789064).

Almost surely, 2^87764463 is an apocalyptic number.

87764463 is a deficient number, since it is larger than the sum of its proper divisors (41704305).

87764463 is a wasteful number, since it uses less digits than its factorization.

87764463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207534 (or 207531 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 87764463 is about 9368.2689436203. The cubic root of 87764463 is about 444.3988229260.

The spelling of 87764463 in words is "eighty-seven million, seven hundred sixty-four thousand, four hundred sixty-three".