1977331413070 has 32 divisors (see below), whose sum is σ = 3965152655520. Its totient is φ = 704916024960.

The previous prime is 1977331413067. The next prime is 1977331413119. The reversal of 1977331413070 is 703141337791.

It is a super-2 number, since 2×1977331413070² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1977331413070.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262241776 + ... + 262249315.

It is an arithmetic number, because the mean of its divisors is an integer number (123911020485).

Almost surely, 2^{1977331413070} is an apocalyptic number.

1977331413070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1977331413070 is an abundant number, since it is smaller than the sum of its proper divisors (1987821242450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1977331413070 is a wasteful number, since it uses less digits than its factorization.

1977331413070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524491140.

The product of its (nonzero) digits is 333396, while the sum is 46.

The spelling of 1977331413070 in words is "one trillion, nine hundred seventy-seven billion, three hundred thirty-one million, four hundred thirteen thousand, seventy".