75377464677 has 16 divisors (see below), whose sum is σ = 117547704000. Its totient is φ = 47606819472.

The previous prime is 75377464637. The next prime is 75377464691. The reversal of 75377464677 is 77646477357.

It is a happy number.

75377464677 is a `hidden beast` number, since 75 + 37 + 7 + 464 + 6 + 77 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-75377464677 is a prime.

It is a super-2 number, since 2×75377464677² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75377464637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73466802 + ... + 73467827.

It is an arithmetic number, because the mean of its divisors is an integer number (7346731500).

Almost surely, 2^75377464677 is an apocalyptic number.

It is an amenable number.

75377464677 is a deficient number, since it is larger than the sum of its proper divisors (42170239323).

75377464677 is a wasteful number, since it uses less digits than its factorization.

75377464677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146934657 (or 146934651 counting only the distinct ones).

The product of its digits is 145212480, while the sum is 63.

The spelling of 75377464677 in words is "seventy-five billion, three hundred seventy-seven million, four hundred sixty-four thousand, six hundred seventy-seven".