72877005256042 has 16 divisors (see below), whose sum is σ = 117806775526440. Its totient is φ = 33612003052992.

The previous prime is 72877005256009. The next prime is 72877005256063. The reversal of 72877005256042 is 24065250077827.

It can be written as a sum of positive squares in 4 ways, for example, as 20566488030841 + 52310517225201 = 4535029^2 + 7232601^2 .

It is a super-2 number, since 2×72877005256042² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980705233 + ... + 980779540.

Almost surely, 2^{72877005256042} is an apocalyptic number.

72877005256042 is a deficient number, since it is larger than the sum of its proper divisors (44929770270398).

72877005256042 is a wasteful number, since it uses less digits than its factorization.

72877005256042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961486217.

The product of its (nonzero) digits is 13171200, while the sum is 55.

The spelling of 72877005256042 in words is "seventy-two trillion, eight hundred seventy-seven billion, five million, two hundred fifty-six thousand, forty-two".