45977907 has 4 divisors (see below), whose sum is σ = 61303880. Its totient is φ = 30651936.

The previous prime is 45977887. The next prime is 45977947. The reversal of 45977907 is 70977954.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 45977907 - 2¹¹ = 45975859 is a prime.

It is a super-2 number, since 2×45977907² = 4227935864201298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45977947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7662982 + ... + 7662987.

It is an arithmetic number, because the mean of its divisors is an integer number (15325970).

Almost surely, 2^45977907 is an apocalyptic number.

45977907 is a deficient number, since it is larger than the sum of its proper divisors (15325973).

45977907 is a wasteful number, since it uses less digits than its factorization.

45977907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15325972.

The product of its (nonzero) digits is 555660, while the sum is 48.

The square root of 45977907 is about 6780.7010699484. The cubic root of 45977907 is about 358.2474153965.

The spelling of 45977907 in words is "forty-five million, nine hundred seventy-seven thousand, nine hundred seven".