766540115 has 16 divisors (see below), whose sum is σ = 1062499680. Its totient is φ = 524689920.

The previous prime is 766540087. The next prime is 766540129. The reversal of 766540115 is 511045667.

It is not a de Polignac number, because 766540115 - 2⁶ = 766540051 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408980 + ... + 410849.

It is an arithmetic number, because the mean of its divisors is an integer number (66406230).

Almost surely, 2^766540115 is an apocalyptic number.

766540115 is a deficient number, since it is larger than the sum of its proper divisors (295959565).

766540115 is a wasteful number, since it uses less digits than its factorization.

766540115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819862.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 766540115 is about 27686.4608608612. The cubic root of 766540115 is about 915.1907651662.

The spelling of 766540115 in words is "seven hundred sixty-six million, five hundred forty thousand, one hundred fifteen".