47777960 has 16 divisors (see below), whose sum is σ = 107500500. Its totient is φ = 19111168.

The previous prime is 47777957. The next prime is 47777981. The reversal of 47777960 is 6977774.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 42588676 + 5189284 = 6526^2 + 2278^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 597185 + ... + 597264.

Almost surely, 2^47777960 is an apocalyptic number.

47777960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47777960 is an abundant number, since it is smaller than the sum of its proper divisors (59722540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47777960 is a wasteful number, since it uses less digits than its factorization.

47777960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194460 (or 1194456 counting only the distinct ones).

The product of its (nonzero) digits is 518616, while the sum is 47.

The square root of 47777960 is about 6912.1602990671. The cubic root of 47777960 is about 362.8628724638.

The spelling of 47777960 in words is "forty-seven million, seven hundred seventy-seven thousand, nine hundred sixty".