76891056542 has 8 divisors (see below), whose sum is σ = 122121089856. Its totient is φ = 36184026592.

The previous prime is 76891056521. The next prime is 76891056551. The reversal of 76891056542 is 24565019867.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×76891056542² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1130750798 + ... + 1130750865.

It is an arithmetic number, because the mean of its divisors is an integer number (15265136232).

Almost surely, 2^76891056542 is an apocalyptic number.

76891056542 is a deficient number, since it is larger than the sum of its proper divisors (45230033314).

76891056542 is a wasteful number, since it uses less digits than its factorization.

76891056542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261501682.

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 76891056542 in words is "seventy-six billion, eight hundred ninety-one million, fifty-six thousand, five hundred forty-two".