47772456451 has 4 divisors (see below), whose sum is σ = 47774073832. Its totient is φ = 47770839072.

The previous prime is 47772456401. The next prime is 47772456503. The reversal of 47772456451 is 15465427774.

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 47772456451 - 2¹³ = 47772448259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47772456401) 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, 763545 + ... + 823738.

It is an arithmetic number, because the mean of its divisors is an integer number (11943518458).

Almost surely, 2^47772456451 is an apocalyptic number.

47772456451 is a deficient number, since it is larger than the sum of its proper divisors (1617381).

47772456451 is a wasteful number, since it uses less digits than its factorization.

47772456451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617380.

The product of its digits is 6585600, while the sum is 52.

The spelling of 47772456451 in words is "forty-seven billion, seven hundred seventy-two million, four hundred fifty-six thousand, four hundred fifty-one".