77055061400 has 48 divisors (see below), whose sum is σ = 180926857440. Its totient is φ = 30516848000.

The previous prime is 77055061379. The next prime is 77055061411. The reversal of 77055061400 is 416055077.

It is a super-3 number, since 3×77055061400³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1887104 + ... + 1927503.

It is an arithmetic number, because the mean of its divisors is an integer number (3769309530).

Almost surely, 2^77055061400 is an apocalyptic number.

It is an amenable number.

77055061400 is an abundant number, since it is smaller than the sum of its proper divisors (103871796040).

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

77055061400 is a wasteful number, since it uses less digits than its factorization.

77055061400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3814724 (or 3814715 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 35.

The spelling of 77055061400 in words is "seventy-seven billion, fifty-five million, sixty-one thousand, four hundred".