87364772 has 24 divisors (see below), whose sum is σ = 167650560. Its totient is φ = 39505760.

The previous prime is 87364769. The next prime is 87364799. The reversal of 87364772 is 27746378.

It is a super-2 number, since 2×87364772² = 15265206773223968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3629 + ... + 13707.

It is an arithmetic number, because the mean of its divisors is an integer number (6985440).

Almost surely, 2^87364772 is an apocalyptic number.

It is an amenable number.

87364772 is a deficient number, since it is larger than the sum of its proper divisors (80285788).

87364772 is a wasteful number, since it uses less digits than its factorization.

87364772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10291 (or 10289 counting only the distinct ones).

The product of its digits is 395136, while the sum is 44.

The square root of 87364772 is about 9346.9124313861. The cubic root of 87364772 is about 443.7231791764.

The spelling of 87364772 in words is "eighty-seven million, three hundred sixty-four thousand, seven hundred seventy-two".