61137076377 has 8 divisors (see below), whose sum is σ = 87786571264. Its totient is φ = 37622816208.

The previous prime is 61137076369. The next prime is 61137076391. The reversal of 61137076377 is 77367073116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61137076377 - 2³ = 61137076369 is a prime.

It is a super-2 number, since 2×61137076377² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61137076307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 783808633 + ... + 783808710.

It is an arithmetic number, because the mean of its divisors is an integer number (10973321408).

Almost surely, 2^61137076377 is an apocalyptic number.

It is an amenable number.

61137076377 is a deficient number, since it is larger than the sum of its proper divisors (26649494887).

61137076377 is a wasteful number, since it uses less digits than its factorization.

61137076377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567617359.

The product of its (nonzero) digits is 777924, while the sum is 48.

The spelling of 61137076377 in words is "sixty-one billion, one hundred thirty-seven million, seventy-six thousand, three hundred seventy-seven".