91876542 has 16 divisors (see below), whose sum is σ = 184488192. Its totient is φ = 30503000.

The previous prime is 91876537. The next prime is 91876567. The reversal of 91876542 is 24567819.

It is a junction number, because it is equal to n+sod(n) for n = 91876494 and 91876503.

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, 28998 + ... + 32009.

It is an arithmetic number, because the mean of its divisors is an integer number (11530512).

Almost surely, 2^91876542 is an apocalyptic number.

91876542 is an abundant number, since it is smaller than the sum of its proper divisors (92611650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91876542 is a wasteful number, since it uses less digits than its factorization.

91876542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61263.

The product of its digits is 120960, while the sum is 42.

The square root of 91876542 is about 9585.2251929728. The cubic root of 91876542 is about 451.2337207112.

The spelling of 91876542 in words is "ninety-one million, eight hundred seventy-six thousand, five hundred forty-two".