77964054 has 16 divisors (see below), whose sum is σ = 178203648. Its totient is φ = 22275432.

The previous prime is 77964037. The next prime is 77964067. The reversal of 77964054 is 45046977.

It is a super-2 number, since 2×77964054² = 12156787432229832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1856287 = 77964054 / (7 + 7 + 9 + 6 + 4 + 0 + 5 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 77963997 and 77964015.

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, 928102 + ... + 928185.

It is an arithmetic number, because the mean of its divisors is an integer number (11137728).

Almost surely, 2^77964054 is an apocalyptic number.

77964054 is an abundant number, since it is smaller than the sum of its proper divisors (100239594).

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

77964054 is a wasteful number, since it uses less digits than its factorization.

77964054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856299.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 77964054 is about 8829.7255903001. The cubic root of 77964054 is about 427.2002234741.

The spelling of 77964054 in words is "seventy-seven million, nine hundred sixty-four thousand, fifty-four".