77953262811 has 16 divisors (see below), whose sum is σ = 109785646080. Its totient is φ = 49122833760.

The previous prime is 77953262767. The next prime is 77953262819. The reversal of 77953262811 is 11826235977.

It is not a de Polignac number, because 77953262811 - 2²¹ = 77951165659 is a prime.

It is a super-2 number, since 2×77953262811² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (77953262819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9742596 + ... + 9750593.

It is an arithmetic number, because the mean of its divisors is an integer number (6861602880).

Almost surely, 2^77953262811 is an apocalyptic number.

77953262811 is a deficient number, since it is larger than the sum of its proper divisors (31832383269).

77953262811 is a wasteful number, since it uses less digits than its factorization.

77953262811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19493266.

The product of its digits is 1270080, while the sum is 51.

The spelling of 77953262811 in words is "seventy-seven billion, nine hundred fifty-three million, two hundred sixty-two thousand, eight hundred eleven".