670401074077 has 6 divisors (see below), whose sum is σ = 779854310718. Its totient is φ = 574629492024.

The previous prime is 670401074059. The next prime is 670401074099. The reversal of 670401074077 is 770470104076.

It can be written as a sum of positive squares in only one way, i.e., 598497187876 + 71903886201 = 773626^2 + 268149^2 .

It is not a de Polignac number, because 670401074077 - 2⁷ = 670401073949 is a prime.

It is a super-3 number, since 3×670401074077³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670401074017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6840827238 + ... + 6840827335.

It is an arithmetic number, because the mean of its divisors is an integer number (129975718453).

Almost surely, 2^670401074077 is an apocalyptic number.

It is an amenable number.

670401074077 is a deficient number, since it is larger than the sum of its proper divisors (109453236641).

670401074077 is a wasteful number, since it uses less digits than its factorization.

670401074077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13681654587 (or 13681654580 counting only the distinct ones).

The product of its (nonzero) digits is 230496, while the sum is 43.

The spelling of 670401074077 in words is "six hundred seventy billion, four hundred one million, seventy-four thousand, seventy-seven".