73777216954 has 16 divisors (see below), whose sum is σ = 126479016576. Its totient is φ = 31617860400.

The previous prime is 73777216921. The next prime is 73777216973. The reversal of 73777216954 is 45961277737.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 616819 + ... + 726649.

It is an arithmetic number, because the mean of its divisors is an integer number (7904938536).

Almost surely, 2^73777216954 is an apocalyptic number.

73777216954 is a deficient number, since it is larger than the sum of its proper divisors (52701799622).

73777216954 is a wasteful number, since it uses less digits than its factorization.

73777216954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157821.

The product of its digits is 15558480, while the sum is 58.

The spelling of 73777216954 in words is "seventy-three billion, seven hundred seventy-seven million, two hundred sixteen thousand, nine hundred fifty-four".