46977639 has 4 divisors (see below), whose sum is σ = 62636856. Its totient is φ = 31318424.

The previous prime is 46977611. The next prime is 46977649. The reversal of 46977639 is 93677964.

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

It is a cyclic number.

It is not a de Polignac number, because 46977639 - 2¹² = 46973543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 46977591 and 46977600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46977649) 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, 7829604 + ... + 7829609.

It is an arithmetic number, because the mean of its divisors is an integer number (15659214).

Almost surely, 2^46977639 is an apocalyptic number.

46977639 is a deficient number, since it is larger than the sum of its proper divisors (15659217).

46977639 is a wasteful number, since it uses less digits than its factorization.

46977639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15659216.

The product of its digits is 1714608, while the sum is 51.

The square root of 46977639 is about 6854.0235628425. The cubic root of 46977639 is about 360.8253670486.

The spelling of 46977639 in words is "forty-six million, nine hundred seventy-seven thousand, six hundred thirty-nine".