107640477 has 12 divisors (see below), whose sum is σ = 177692320. Its totient is φ = 61508808.

The previous prime is 107640469. The next prime is 107640487. The reversal of 107640477 is 774046701.

107640477 is a `hidden beast` number, since 1 + 0 + 7 + 640 + 4 + 7 + 7 = 666.

It is not a de Polignac number, because 107640477 - 2³ = 107640469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107640487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 854227 + ... + 854352.

Almost surely, 2^107640477 is an apocalyptic number.

It is an amenable number.

107640477 is a deficient number, since it is larger than the sum of its proper divisors (70051843).

107640477 is a wasteful number, since it uses less digits than its factorization.

107640477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708592 (or 1708589 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 107640477 is about 10374.9928674674. The cubic root of 107640477 is about 475.6912955524.

The spelling of 107640477 in words is "one hundred seven million, six hundred forty thousand, four hundred seventy-seven".