61079178975 has 24 divisors (see below), whose sum is σ = 101377209360. Its totient is φ = 32448798720.

The previous prime is 61079178949. The next prime is 61079178997. The reversal of 61079178975 is 57987197016.

It is not a de Polignac number, because 61079178975 - 2¹² = 61079174879 is a prime.

It is a super-2 number, since 2×61079178975² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1565140 + ... + 1603689.

It is an arithmetic number, because the mean of its divisors is an integer number (4224050390).

Almost surely, 2^61079178975 is an apocalyptic number.

61079178975 is a deficient number, since it is larger than the sum of its proper divisors (40298030385).

61079178975 is a wasteful number, since it uses less digits than its factorization.

61079178975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3169099 (or 3169094 counting only the distinct ones).

The product of its (nonzero) digits is 6667920, while the sum is 60.

The spelling of 61079178975 in words is "sixty-one billion, seventy-nine million, one hundred seventy-eight thousand, nine hundred seventy-five".