87453867015878 has 16 divisors (see below), whose sum is σ = 143107450705296. Its totient is φ = 39751445828640.

The previous prime is 87453867015863. The next prime is 87453867015883. The reversal of 87453867015878 is 87851076835478.

It is a super-2 number, since 2×87453867015878² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87453867015799 and 87453867015808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12715901 + ... + 18346712.

It is an arithmetic number, because the mean of its divisors is an integer number (8944215669081).

Almost surely, 2^{87453867015878} is an apocalyptic number.

87453867015878 is a deficient number, since it is larger than the sum of its proper divisors (55653583689418).

87453867015878 is a wasteful number, since it uses less digits than its factorization.

87453867015878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31190599.

The product of its (nonzero) digits is 2528870400, while the sum is 77.

The spelling of 87453867015878 in words is "eighty-seven trillion, four hundred fifty-three billion, eight hundred sixty-seven million, fifteen thousand, eight hundred seventy-eight".