2130077817 has 40 divisors (see below), whose sum is σ = 3794668416. Its totient is φ = 1164259008.

The previous prime is 2130077813. The next prime is 2130077837. The reversal of 2130077817 is 7187700312.

It is a happy number.

It is not a de Polignac number, because 2130077817 - 2² = 2130077813 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2130077813) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 68628 + ... + 94709.

Almost surely, 2^2130077817 is an apocalyptic number.

2130077817 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2130077817 is a deficient number, since it is larger than the sum of its proper divisors (1664590599).

2130077817 is a wasteful number, since it uses less digits than its factorization.

2130077817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163379 (or 163370 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 36.

The square root of 2130077817 is about 46152.7660817854. The cubic root of 2130077817 is about 1286.6640197520.

The spelling of 2130077817 in words is "two billion, one hundred thirty million, seventy-seven thousand, eight hundred seventeen".