10077863400781 has 16 divisors (see below), whose sum is σ = 12075825507840. Its totient is φ = 8302130028720.

The previous prime is 10077863400707. The next prime is 10077863400797. The reversal of 10077863400781 is 18700436877001.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-10077863400781 is a prime.

It is a super-2 number, since 2×10077863400781² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10077863400701) 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, 1048243935 + ... + 1048253548.

It is an arithmetic number, because the mean of its divisors is an integer number (754739094240).

Almost surely, 2^{10077863400781} is an apocalyptic number.

10077863400781 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10077863400781 is a deficient number, since it is larger than the sum of its proper divisors (1997962107059).

10077863400781 is a wasteful number, since it uses less digits than its factorization.

10077863400781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096497536.

The product of its (nonzero) digits is 1580544, while the sum is 52.

The spelling of 10077863400781 in words is "ten trillion, seventy-seven billion, eight hundred sixty-three million, four hundred thousand, seven hundred eighty-one".