77401000034 has 16 divisors (see below), whose sum is σ = 122942037816. Its totient is φ = 36420729600.

The previous prime is 77401000021. The next prime is 77401000049. The reversal of 77401000034 is 43000010477.

It can be written as a sum of positive squares in 4 ways, for example, as 74227367809 + 3173632225 = 272447^2 + 56335^2 .

It is a junction number, because it is equal to n+sod(n) for n = 77400999967 and 77401000012.

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, 305624 + ... + 498204.

Almost surely, 2^77401000034 is an apocalyptic number.

77401000034 is a deficient number, since it is larger than the sum of its proper divisors (45541037782).

77401000034 is a wasteful number, since it uses less digits than its factorization.

77401000034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204421.

The product of its (nonzero) digits is 2352, while the sum is 26.

The spelling of 77401000034 in words is "seventy-seven billion, four hundred one million, thirty-four", and thus it is an aban number.