83766772344015 has 48 divisors (see below), whose sum is σ = 145331164532736. Its totient is φ = 44633957860800.

The previous prime is 83766772344007. The next prime is 83766772344061. The reversal of 83766772344015 is 51044327766738.

83766772344015 is a `hidden beast` number, since 8 + 3 + 76 + 67 + 72 + 34 + 401 + 5 = 666.

It is not a de Polignac number, because 83766772344015 - 2³ = 83766772344007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 265085460 + ... + 265401270.

It is an arithmetic number, because the mean of its divisors is an integer number (3027732594432).

Almost surely, 2^{83766772344015} is an apocalyptic number.

83766772344015 is a deficient number, since it is larger than the sum of its proper divisors (61564392188721).

83766772344015 is a wasteful number, since it uses less digits than its factorization.

83766772344015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321300 (or 321297 counting only the distinct ones).

The product of its (nonzero) digits is 142248960, while the sum is 63.

The spelling of 83766772344015 in words is "eighty-three trillion, seven hundred sixty-six billion, seven hundred seventy-two million, three hundred forty-four thousand, fifteen".