79761477 has 16 divisors (see below), whose sum is σ = 107523648. Its totient is φ = 52590720.

The previous prime is 79761443. The next prime is 79761499. The reversal of 79761477 is 77416797.

It is not a de Polignac number, because 79761477 - 2⁶ = 79761413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79761377) 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, 162202 + ... + 162692.

It is an arithmetic number, because the mean of its divisors is an integer number (6720228).

Almost surely, 2^79761477 is an apocalyptic number.

It is an amenable number.

79761477 is a deficient number, since it is larger than the sum of its proper divisors (27762171).

79761477 is a wasteful number, since it uses less digits than its factorization.

79761477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980.

The product of its digits is 518616, while the sum is 48.

The square root of 79761477 is about 8930.9281152633. The cubic root of 79761477 is about 430.4582765123.

It can be divided in two parts, 7976 and 1477, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 79761477 in words is "seventy-nine million, seven hundred sixty-one thousand, four hundred seventy-seven".