52378767 has 12 divisors (see below), whose sum is σ = 86466640. Its totient is φ = 29930688.

The previous prime is 52378723. The next prime is 52378769. The reversal of 52378767 is 76787325.

It is not a de Polignac number, because 52378767 - 2⁷ = 52378639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52378769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 415642 + ... + 415767.

Almost surely, 2^52378767 is an apocalyptic number.

52378767 is a deficient number, since it is larger than the sum of its proper divisors (34087873).

52378767 is a wasteful number, since it uses less digits than its factorization.

52378767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831422 (or 831419 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 52378767 is about 7237.3176660970. The cubic root of 52378767 is about 374.1551754867.

The spelling of 52378767 in words is "fifty-two million, three hundred seventy-eight thousand, seven hundred sixty-seven".