77062993894 has 8 divisors (see below), whose sum is σ = 115656610608. Its totient is φ = 38510790360.

The previous prime is 77062993877. The next prime is 77062993927. The reversal of 77062993894 is 49839926077.

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

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, 10348642 + ... + 10356085.

It is an arithmetic number, because the mean of its divisors is an integer number (14457076326).

Almost surely, 2^77062993894 is an apocalyptic number.

77062993894 is a deficient number, since it is larger than the sum of its proper divisors (38593616714).

77062993894 is a wasteful number, since it uses less digits than its factorization.

77062993894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20706590.

The product of its (nonzero) digits is 41150592, while the sum is 64.

The spelling of 77062993894 in words is "seventy-seven billion, sixty-two million, nine hundred ninety-three thousand, eight hundred ninety-four".